Home / 4,929.04-6,798.21-3,160.81

Finding the Fourth Proportional to 4,929.04, 6,798.21 and 3,160.81

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Solution

The fourth proportional to 4,929.04, 6,798.21 and 3,160.81 is: 4,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.04 : 6,798.21 = 3,160.81 : x
  2. Step 2: Convert to fraction form
    4,929.04/6,798.21 = 3,160.81/x
  3. Step 3: Cross multiply
    4,929.04x = 6,798.21 × 3,160.81
  4. Step 4: Simplify right side
    4,929.04x = 21,487,850.15
  5. Step 5: Solve for x
    x = 21,487,850.15/4,929.04
  6. Step 6: Final answer
    x = 4,359.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.